Keystones — Bedrock
Five GCSE retrieval questions · 17 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 29
Answer: 23 + 29 = 52 -
2. Algebra Substitution
If x = 6, find the value of 7x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 3, 5, 12, 16, 19
Answer: 11